html, body {
	overflow: hidden;
}

html, body, #main-canvas {
	position: fixed;
	width: 100%;
	height: 100%;

	margin: 0;
	padding: 0;
	
	touch-action: none;
	touch-action-delay: none;
	user-select: none;

	-ms-touch-action: none;
	-ms-content-zooming: none;
	-ms-user-select: none; 

	-webkit-text-size-adjust: none;
	-webkit-touch-callout: none; 
	-webkit-user-select: none; 
	-khtml-user-select: none; 
	-moz-user-select: none; 
	-o-user-select: none;

	-webkit-tap-highlight-color: rgba(0,0,0,0); /*It removes dimming screen in Safari when click on it*/
}

.yabcbtn::before, .yabcbtn::after {
	position: absolute;
	right: 22px;
	top: 8px;
	background-color: #777;
	height: 34px;
	width: 3px;
	border-radius: 1.5px;
	transform: rotate(-135deg);
	opacity: 1;
	content: '';
	transition-delay: 3s;
	transition: opacity .3s;
}

.yabcbtn::after {
	transform: rotate(-45deg);
}

#gameloading {
	font-family: Arial;
	font-weight: bold;
	position: fixed;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	background-color: rgba(0, 0, 0, 0.3);
	display: none;
}

#gameloading span {
	transform: translate(-50%, -50%);
	position: absolute;
	left: 50%;
	top: 50%;
	font-size: 20px;
	color: black;
}

#bn-cntr {
	width: 300px;
	height: 250px;
	position: fixed;
	margin: 0;
	padding: 0;
    left: 2%;
	top: 2%;
	display: none;
}

#bn-cntr-ya {
	width: 336px;
	height: 300px;
	position: fixed;
	margin: 0;
	padding: 0;
    left: 2%;
	top: 2%;
	display: none;
}

#bn-cntr-mb {
	width: 320px;
	height: 50px;
	padding: 0;
	margin: 0;
    margin-left: -160px;
	position: fixed;
	bottom: 0;
	left: 50%;
	display: none;
}

#bn-cntr-mb-ya {
	width: 100%;
	height: 50px;
	padding: 0;
	margin: 0;
	position: fixed;
	bottom: 0;
	left: 0;
	display: none;
}